Kaslow R. et al. No evidence for a role of alcohol or other psychoactive drugs in accelerating immunodeficiency in HIV-1-positive individuals: a report from the Multicentre AIDS Cohort Study, JAMA 1989; 261: 3424–3429.PubMedView Article

Sydow K von. et al. What predicts incident use of cannabis and progression to abuse and dependence? A 4-year prospective examination of risk factors in a community sample of adolescents and young adults. Drug Alcohol Depend 2002; 68(1): 49–64.View Article

Tashkin D. et al. Effects of habitual use of marijuana and/or cocaine on the lung. In: Research findings on smoking of abused substances. NIDA Research Monograph 1997; 99: 63–87.